Water filter



FIG. 1 is a top front isometric view of a water filter showing the new design;

FIG. 2 is a bottom front isometric view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The portions shown in the figures in broken lines do not constitute part of the claimed design. 

CLAIM The ornamental design for a water filter, as shown and described. 